import java.util.Scanner;

public class Calculator{

 public static void main(String[] args){
 
 	int a, b;
	Scanner sc = new Scanner(System.in);
	System.out.println("Please input first int number:");
	a = sc.nextInt();
	System.out.println("Please input second int number:");
	b = sc.nextInt();
	int result=0;
	Calculator c = new Calculator();
	result = c.add(a,b);
	System.out.println(a + " + " +b +" = "+result);
	result = c.sub(a,b);
	System.out.println(a + " - " +b +" = "+result);
	result = c.mul(a,b);
	System.out.println(a + " * " +b +" = "+result);
	result = c.div(a,b);
	System.out.println(a + " / " +b +" = "+result);
 }

 public int add(int x, int y){
 	return x+y;
 }
 public int sub(int x, int y){
 	return x-y;
 }
 public int mul(int x, int y){
 	return x*y;
 }
 public int div(int x, int y){
 	return x/y;
 }
}
